US Patent Issued to Semiconductor Energy Laboratory on Dec. 9 for "Light-emitting element and display device including TADF compound" (Japanese Inventors)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,495,662, issued on Dec. 9, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Kanagawa-ken, Japan).

"Light-emitting element and display device including TADF compound" was invented by Satoshi Seo (Kanagawa, Japan), Nobuharu Ohsawa (Kanagawa, Japan) and Takeyoshi Watabe (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a light-emitting element including a fluorescence-emitting material with high emission efficiency. The light-emitting element includes a pair of electrodes and an EL layer between the pair of electrodes. The EL layer includes a first organic compound, a second organic compound, and a guest material. The firs...